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Dr. Arun Sethuraman

@arunsethuraman.bsky.social

3.8k Following3.5k Followers

Computational evolutionary biologist. Professor & Chair of Biology @sandiegostate.bsky.social, athlete, insomniac, writer, singer, polyglot, polymath, @out.com ‘25 Out100 honoree. He/him. 🏳️‍🌈🇮🇳🇺🇸🐞🌱🐢🧬🏋🏾‍♂️🎤✍🏾 www.sethuramanlab.com Views are mine alone.

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@harmitmalik.bsky.socialOct 10, 2026, 7:44 PMReposted by @arunsethuraman.bsky.social

Most animal species pack sperm DNA with protamines instead of histones. Protamines are essential for male fertility. They are among the fastest-evolving genes in animals. That makes little sense. We think we know why, in a new paper led by @ching-hochang.bsky.social. www.science.org/doi/10.1126/...

@arunsethuraman.bsky.socialOct 9, 2026, 10:52 PM

They are not happy 😡

@antoinemolaro.bsky.socialOct 8, 2026, 4:56 PMReposted by @arunsethuraman.bsky.social

Hello World ! Its pre-print time ! Awesome collaboration led by Michel Cohen-Tannoudji (not on Bsky) and the one and only @deborahbourchis.bsky.social. #BFF
We solved the molecular mechanism underlying a mysterious hybrid incompatibility in mice: the DDK syndrome. 🧵🍿

www.biorxiv.org/content/10.6...

@nhm.orgOct 6, 2026, 8:35 PMReposted by @arunsethuraman.bsky.social

🪶 Made possible by a grant from the National Science Foundation, NHM's Ornithology Department recently installed new cabinets to house and better care for the collections for decades to come. Dr. Allison Shultz (Associate Curator, Ornithology) shares more about the exciting upgrade!

@edwardsanthonyb.bsky.socialOct 7, 2026, 3:23 AMReposted by @arunsethuraman.bsky.social

Bonkers: Sea levels are running 1.2ft above the late-20th century baseline in San Diego as sea surface temperatures are about 7°F warmer than normal. These highly anomalous ocean temperatures and heights will continue through winter along the California coast amid El Niño. #CAwx

@arunsethuraman.bsky.socialOct 6, 2026, 12:40 AM

I’ve taken this very BA flight throughout grad school to and from India. So scary.

@sandiegozoo.bsky.socialOct 1, 2026, 7:35 PMReposted by @arunsethuraman.bsky.social

Providing excellent care for this golden girl 🦫

@pleunipennings.bsky.socialSep 29, 2026, 3:37 PMReposted by @arunsethuraman.bsky.social

I am hiring a postdoc! Are you interested to work on population genetics/ drug resistance/ data? Want to work in Montpellier, France? Fastq files don't scare you?

PhD required, start date hopefully Nov 1! (end date Sep 30 2028)

Please share!

abetterscientist.wordpress.com/2026/09/29/p...

@sse-evolution.bsky.socialSep 30, 2026, 6:22 PMReposted by @arunsethuraman.bsky.social

The SSE Education and Outreach Committee is seeking speakers for the Evolution 2027 Education and Outreach Symposium titled “Evolution in a Changing World.” Nominations are due November 1! Learn more: www.evolutionsociety.org/news/display...

SSE logo. Evolution meetings logo. text: Education and Outreach Symposium Call for Speakers, Deadline: November 1.
@arunsethuraman.bsky.socialSep 29, 2026, 4:28 PM

Among the many things as Chair, I've been working on celebrating our awesome faculty, staff, and students at @sandiegostate.bsky.social Biology in newsletters. Here're volumes 1 and 2, featuring the labs of @doc-brock.bsky.social and Gretchen Goodbody, the Director of our Coastal & Marine Institute!

@peiferlabunc.bsky.socialSep 29, 2026, 12:36 AMReposted by @arunsethuraman.bsky.social

For the last 34 years I have been on the faculty of the UNC-Chapel Hill Department of Biology and have never regretted that decision. This year we are hiring TWO new Assistant Professors in the broad area of Molecular, Cell, Developmental Biology 1/n
bio.unc.edu

Front page of the website
@arunsethuraman.bsky.socialSep 27, 2026, 8:53 PM

What a gorgeous shot!! Love it!!

@arunsethuraman.bsky.socialSep 27, 2026, 8:39 PM

Bye for now, Philly! I ❤️ and miss you and all the lovely peeps so much! Thank you @jabartlesauthor.bsky.social and @mjphillips.bsky.social for the amazing time!

@arunsethuraman.bsky.socialSep 26, 2026, 10:52 PM

Haha! I was at Rutgers for a hot minute too, before he moved to Temple! Jody’s the best!

@arunsethuraman.bsky.socialSep 26, 2026, 10:48 PM

The best mentor I could have asked for - congrats on retirement, Jody! We ❤️ you!

@bpucker.bsky.socialSep 26, 2026, 5:11 AMReposted by @arunsethuraman.bsky.social

Excited to share our new paper is out in TPJ! 🌱

"Out of the blue: family-wide loss of anthocyanin biosynthesis in Cucurbitaceae"

We explore the anthocyanin biosynthesis gene loss through comparative genomics:

doi.org/10.1111/tpj....

@nancy-choudhary.bsky.social @puckerlab.bsky.social
#Evolution

Synteny analysis supports the loss of crucial genes in the anthocyanin biosynthesis across Cucurbitaceae. Details and figure reference: https://doi.org/10.1111/tpj.71136
@arunsethuraman.bsky.socialSep 25, 2026, 1:55 PM

Getting my cup of ambition from my old digs in Philly - Di Bruno Bros in Rittenhouse. Happy Dolly Day for everyone who celebrates. If you don’t, you should.

@physaliacourses.bsky.socialSep 25, 2026, 12:51 PMReposted by @arunsethuraman.bsky.social

Thanks to this amazing team of instructors and to everyone who has joined us for the 5th edition of the #PopulationGenomics using #aDNA course!

@cegamorim.bsky.social @arunsethuraman.bsky.social & @ppezov.bsky.social

@davidlowry.bsky.socialSep 24, 2026, 10:26 AMReposted by @arunsethuraman.bsky.social

The monkeyflowers, including all those things we call Mimulus, have now been collapsed (along with some other small families) into the Orobanchaceae. This lumper couldn’t be happier. onlinelibrary.wiley.com/doi/10.1111/...

@jacanamama.bsky.socialSep 24, 2026, 8:42 PMReposted by @arunsethuraman.bsky.social

Super excited to share this study by @gamaevo.bsky.social in collaboration with Steve Nowicki and Susan Peters!!

Response to geographic song variation predicts differential gene expression in the blood of a songbird: iScience www.cell.com/iscience/ful...

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